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Caption: This chart shows vegetation coverage by size classes in the Arroyo Corte Madera sub-basin, derived from a 1999 Landsat image by the U.S. Forest Service. Forested areas are sparse. The majority of the basin areas are not forested. Forested areas contain medium and small trees with few medium large trees. The vegetation classification is accurate at a one-hectare scale and is suitable for stand classification. Click on Map to see spatial data. Vegetation is classified according to diameter at breast height (DBH): Giant > 50", Very Large = 40-50" DBH, Large = 30-39.9" DBH, Medium/Large = 20-29.9" DBH, Medium = 12-19.9" DBH, Small = 5-11.9" DBH, Saplings = 1-4.9" DBH, Non-Forest = No trees, shrubs, grass, bare soil. Click on Info Links for more information.
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